ZFS_IOC_DIFF
{ (uint_t)ZFS_IOC_DIFF, "ZFS_IOC_DIFF",
iocerr = ioctl(zhp->zfs_hdl->libzfs_fd, ZFS_IOC_DIFF, &zc);
ZFS_IOC_DIFF,
CHECK(ZFS_IOC_BASE + 54 == ZFS_IOC_DIFF);
zfs_ioctl_register_dataset_read_secpolicy(ZFS_IOC_DIFF,